2000 Mazda Protege Check Engine Light Problem

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Eddie DeStafney - 21 Jul 2004 00:51 GMT

HI all

Have a 00 Protege DX with 1.6L 5 Spd
The check engine light come on once and weel
I have a cheap scanner tool that says P1170 Code
I look up the code and It says O2 Sendor But the car has two which one could
it be And I also Check the heat side of both O2 sensors and It looks like 3
Omns. Is that right cold of cousre. Is there any thing more I can test
The car runs good and gets good gas mileage. But the tail pipe looks a
little sutty Black not bad but a little carbon.

any help would be great full
Thanks

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Steve Parker - 24 Aug 2004 03:15 GMT

Eddie,
I would replace both.
Sparky

> HI all
>
[quoted text clipped - 9 lines]
> any help would be great full
> Thanks

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KWS - 04 Sep 2004 20:02 GMT

Seems a little early for an O2 sensor to go. Before changing anything, I
would carefully inspect the connectors going to the sensors. Even the best
car companies can have a contact seating problem that can be easily fixed
with a pair of needle nose pliers (like the fan connector for my '90 Miata).

Ken

> Eddie,
> I would replace both.
[quoted text clipped - 20 lines]
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.742 / Virus Database: 495 - Release Date: 08/19/2004

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Jeff Hall - 12 Sep 2004 22:45 GMT

Mazda's are known for tripping the check engine light after 60K miles for
the O2 sensor.

> Seems a little early for an O2 sensor to go. Before changing anything, I
> would carefully inspect the connectors going to the sensors. Even the best
[quoted text clipped - 30 lines]
>> Checked by AVG anti-virus system (http://www.grisoft.com).
>> Version: 6.0.742 / Virus Database: 495 - Release Date: 08/19/2004

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